pvary commented on a change in pull request #2865:
URL: https://github.com/apache/hive/pull/2865#discussion_r769749700
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File path: ql/src/java/org/apache/hadoop/hive/ql/Driver.java
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@@ -515,14 +516,16 @@ private void preparForCompile(boolean resetTaskIds)
throws CommandProcessorExcep
}
private void prepareContext() throws CommandProcessorException {
+ String originalCboInfo = context != null ? context.cboInfo : null;
Review comment:
The issue here is that the context we prepared in the
`ReCompilePlugin#Hook` will be closed here, and a new one will be recreated:
```
if (context != null && context.getExplainAnalyze() !=
AnalyzeState.RUNNING) {
// close the existing ctx etc before compiling a new query, but does
not destroy driver
closeInProcess(false);
}
if (context == null) {
context = new Context(driverContext.getConf());
}
```
We have to save the cbo info pushed from the `ReCompilePlugin#Hook`
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